I remember an incident the first time I was able to tickle someone that was helpless and it did things to me that astound me today. I was only about 5 at the time and had already developed a strong attraction to tickling. My (much) older sister was my favorite target along with childhood friends in the neighborhood. Her b/f at the time, (now her husband of many years), decided to indulge me by holding her down for me to tickle her feet. Of course, she was loudly protesting as she was quite ticklish. Well, he had her arms and ankles secured and I eyed those helpless feet in her sneakers. I dove on them, ripping her sneakers off and attacking those warm, soft soles. She screeched and started laughing like crazy. I was in seventh heaven! I had a rush of a warm feeling as I tickled her that started in the pit of my stomach and went down to my crotch. Keep in mind my age. Something like this shouldn't be happening. I was only allowed to tickle her for a short time, but in that time something happened to me that I can't explain to this day. It felt like I ejaculated! That can't happen to someone that young....can it??? That experience has stayed with me to this day and I still cannot explain what happened. I just know nothing has ever felt so good! Just reinforced my feelings towards tickling.
I didn't experience that again until around 11 or 12 when, I assume, I reached puberty. I would love to get a professional read on this!